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Old 01-31-2011, 06:47 PM   #1
thor
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Join Date: Apr 2008
Location: Redmond, WA
Posts: 679
6L80 swaps

As I searched I did not find an all-inclusive thread speaking directly to the 6L80 and 6L90 transmissions. I thought it would be a good idea to start collecting information regarding GM's 6 speed transmissions, similar to the LSx swap thread. I know many people have questions so this would be a great place to begin answering them. If we get enough info, perhaps this can become a sticky.

The gear ratios for the 6L80 and 6L90 are:

1st: 4.027
2nd: 2.364
3rd: 1.532
4th: 1.152
5th: 0.852
6th: 0.667
Rev: 3.064
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